Subtract 20/56 from 10/75
10/75 - 20/56 is -47/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 56 is 4200
Next, find the equivalent fraction of both fractional numbers with denominator 4200 - For the 1st fraction, since 75 × 56 = 4200,
10/75 = 10 × 56/75 × 56 = 560/4200 - Likewise, for the 2nd fraction, since 56 × 75 = 4200,
20/56 = 20 × 75/56 × 75 = 1500/4200 - Subtract the two like fractions:
560/4200 - 1500/4200 = 560 - 1500/4200 = -940/4200 - After reducing the fraction, the answer is -47/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/75-20/56 10/75-40/56 30/75-20/56 10/75-60/56 50/75-20/56 70/75-20/56